Home / 553,811,067.36-764,494,595.04-345,070,342.78

Finding the Fourth Proportional to 553,811,067.36, 764,494,595.04 and 345,070,342.78

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Solution

The fourth proportional to 553,811,067.36, 764,494,595.04 and 345,070,342.78 is: 476,343,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,067.36 : 764,494,595.04 = 345,070,342.78 : x
  2. Step 2: Convert to fraction form
    553,811,067.36/764,494,595.04 = 345,070,342.78/x
  3. Step 3: Cross multiply
    553,811,067.36x = 764,494,595.04 × 345,070,342.78
  4. Step 4: Simplify right side
    553,811,067.36x = 263,804,411,963,910,048
  5. Step 5: Solve for x
    x = 263,804,411,963,910,048/553,811,067.36
  6. Step 6: Final answer
    x = 476,343,698.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.